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Old 07-07-2012, 08:41 AM   #1
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Toilet venting


In venting my toilet do I have to go through the roof? I was wondering if I could run the vent pipe higher than the toilet tank and then loop it back down and run it to the outside through the basement. I already have a main stack vent in the system. This is for a toilet in an addition.

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Old 07-07-2012, 09:17 AM   #2
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Toilet venting


Do you know which plumbing code applies where you live. If it's the IRC (like where I live), the toilet doesn't require a vent.

But to answer your question: no, I don't think you can do what you asked about. What you can do is run the vent up into the attic and tie it into an existing vent. That will avoid another roof penetration.

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Old 07-07-2012, 09:40 AM   #3
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Toilet venting


Thanks for your reply. Code is not an issue - my main concern is that the toilet functions properly. I bought a new efficient toilet, 1.28 gpf, and it has to travel approximately 35 feet to the septic. Is no venting still ok?
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Old 07-07-2012, 09:41 AM   #4
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Toilet venting


Out of here....
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Old 07-07-2012, 09:42 AM   #5
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Toilet venting


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Code is not an issue
LULZ..... I'm out of this thread.
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Old 07-07-2012, 11:13 AM   #6
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Toilet venting


The issue isn't how far from the toilet to the septic, it's from the toilet to the main stack. Under the UPC, the maximum distance without having a secondary vent is something like 5 or 6 feet. Under the IRC, there's no distance limit, and no secondary vent is required. The two codes approach venting very differently, but both work. But, then, if you don't care about the code, why are you even asking your question?
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Old 07-07-2012, 12:25 PM   #7
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Toilet venting


I just wanted to make sure that it would flush properly without it.
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Old 07-07-2012, 12:43 PM   #8
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I just wanted to make sure that it would flush properly without it.
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Old 07-07-2012, 02:02 PM   #9
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Quote:
Originally Posted by Brandomatic View Post
I just wanted to make sure that it would flush properly without it.
But I thought you said codes were not an issue?
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Old 07-08-2012, 12:55 PM   #10
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I just wanted to make sure that it would flush properly without it.
Toilets plumbed either way will flush just fine. The point is, is not having a vent legal where you live??
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Old 07-08-2012, 09:39 PM   #11
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Toilet venting


what the .......... wow your kidding right....
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Old 07-09-2012, 08:23 PM   #12
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Toilet venting


If you're addressing your post to me, then no, I'm not kidding. Are you not familiar with the IRC?

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